GB/T 39857-2021 Active National standards

GB/T 39857-2021 Specification of photovoltaic power generation efficiency

GB/T 39857-2021 Specification of photovoltaic power generation efficiency

Publish Date: 2021-03-09 Implement Date: 2021-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 39857-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Solar energy

ICS Name: Solar energy engineering

Publish Date: 2021-03-09

Implement Date: 2021-10-01

Pages: 15 pages

Scope

This standard specifies the technical requirements and testing methods for the energy efficiency of photovoltaic power station systems, the energy efficiency of photovoltaic power generation units, the efficiency of photovoltaic modules, the series mismatch rate of photovoltaic modules, the parallel mismatch rate of photovoltaic modules, cable losses, the conversion efficiency of photovoltaic inverters, and the efficiency of transformers.
This standard applies to new, expanded, or modified grid-connected photovoltaic power stations.

Development Information

Word Count: 28 Thousand words Pages: 15 pages

Referenced Standards

GB 1094.1-1996 Power transformers—Part 1:General GB/T 1094.1-2013 Power transformers—Part 1:General GB/T 9535-1998 Crystalline silicon terrestrial photovoltaic(PV) modules-design qualification and type approval GB/T 18911-2002 Thin-film terrestrial photovoltaic(PV) modules—Design qualification and type approval GB/T 20840.2-2014 Instrument transformers—Part 2:Additional requirements for current transformers GB/T 20840.3-2013 Instrument transformers—Part 3:Additional requirements for inductive voltage transformers GB 24790-2009 Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers GB 26860-2011 Safety code of electric power industry—Electric part of power plants and transformer substations GB/T 30153-2013 Technical requirement for solar energy resource real-time monitoring of photovoltaic power station NB/T 32004-2018 NB/T 32004-2018 Photovoltaic grid-connected inverter technical specification NB/T 32004-2013 NB/T 32004-2013 Photovoltaic power generation grid-connected inverter technical specification GB/T 9535.1-2025 Terrestrial photovoltaic (PV)modules—Design qualification and type approval—Part 1:Test requirements GB/T 9535.2-2025 Terrestrial photovoltaic(PV)modules—Design qualification and type approval—Part 2:Test procedures GB/T 9535.101-2025 Terrestrial photovoltaic(PV) modules—Design qualification and type approval—Part 1-1:Special requirements for testing of crystalline silicon photovoltaic(PV) modules

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